55035973 has 2 divisors, whose sum is σ = 55035974. Its totient is φ = 55035972.

The previous prime is 55035961. The next prime is 55035977. The reversal of 55035973 is 37953055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 5008644 = 7073^2 + 2238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55035973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55035977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27517986 + 27517987.

It is an arithmetic number, because the mean of its divisors is an integer number (27517987).

Almost surely, 2^55035973 is an apocalyptic number.

It is an amenable number.

55035973 is a deficient number, since it is larger than the sum of its proper divisors (1).

55035973 is an equidigital number, since it uses as much as digits as its factorization.

55035973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70875, while the sum is 37.

The square root of 55035973 is about 7418.6233898211. The cubic root of 55035973 is about 380.3781392846.

It can be divided in two parts, 5503 and 5973, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 55035973 in words is "fifty-five million, thirty-five thousand, nine hundred seventy-three".